Home
Class 12
CHEMISTRY
Refractory metals are used in constructi...

Refractory metals are used in construction of furnances because

A

They can withstand high temperature

B

They are chemically inert

C

Their melting point is high

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
Refractory metals are a class of metals that are extraordinarily resistant to heat and wear. Eg. - w, Mo.
Promotional Banner

Topper's Solved these Questions

  • GENERAL PRINCIPLES & PROCESSES OF ISOLATION OF ELEMENTS

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Reduction of Free Metal)|43 Videos

  • GENERAL PRINCIPLES & PROCESSES OF ISOLATION OF ELEMENTS

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Refining of Crude Metal)|27 Videos

  • GENERAL PRINCIPLES & PROCESSES OF ISOLATION OF ELEMENTS

    ERRORLESS|Exercise NCERT BASED QUESTIONS (CONCENTRATION)|21 Videos

  • ELECTROCHEMISTRY

    ERRORLESS|Exercise Assertion & Reason|11 Videos

  • HELOALKANES AND HALOARENES

    ERRORLESS|Exercise Assertion & Reason|8 Videos

Similar Questions

Explore conceptually related problems

Refractory materials are generally used in furnaces because

Refractory materials are generally used in furnaces because

The alloy used in the construction of aircrafts is :

Steel is preferred over iron in construction of ships because

Metals are good conductors of heat because .

Optical glass used in the construction of spectacles is made by

ERRORLESS-GENERAL PRINCIPLES & PROCESSES OF ISOLATION OF ELEMENTS-NCERT BASED QUESTIONS (ROASTING & CALCINATION)
  1. Roasting is done generally in case of

    Text Solution

    |

  2. Heating of pyrites in air for oxidation of sulphur is called Heating...

    Text Solution

    |

  3. The reaction 2ZnS +3O(2) rarr2ZnO +2SO(2) in the metallurgical process...

    Text Solution

    |

  4. Roasting is done in

    Text Solution

    |

  5. Roasting of copper pyrites is done:

    Text Solution

    |

  6. A metal obtained directly by roasting of its sulphide ore is

    Text Solution

    |

  7. Calcination is used in matallurgy for removal of

    Text Solution

    |

  8. Which of the following processes involves smelting ?

    Text Solution

    |

  9. A Substance which reacts with gangue to form fusible material is calle...

    Text Solution

    |

  10. Refractory metals are used in construction of furnances because

    Text Solution

    |

  11. The underlying of blast furnace is made of

    Text Solution

    |

  12. Which of the following substance can be used for drying neutral or bas...

    Text Solution

    |

  13. In the modern blast furnaces, the charge consists of a mixture of

    Text Solution

    |

  14. In a lime kiln, to get higher yield of CO(2) the measure that can be t...

    Text Solution

    |

  15. During the extraction of gold the following reactions takes place Au...

    Text Solution

    |

  16. The reduction of zinc oxide with coke occurs at temperature

    Text Solution

    |

  17. Choose the correct option of temperature at which carbon reduced FeO t...

    Text Solution

    |

  18. Find the area of figure given below.

    Text Solution

    |

  19. For the reduction of FeO at the temperature corresponding to point D, ...

    Text Solution

    |

  20. Direction (Q. Nos. 17-20) Answer the questions on the basis of figure ...

    Text Solution

    |